1126521151 has 8 divisors (see below), whose sum is σ = 1287962784. Its totient is φ = 965207040.

The previous prime is 1126521139. The next prime is 1126521157. The reversal of 1126521151 is 1511256211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1126521151 - 2¹⁹ = 1125996863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126521157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12130 + ... + 48991.

It is an arithmetic number, because the mean of its divisors is an integer number (160995348).

Almost surely, 2^1126521151 is an apocalyptic number.

1126521151 is a deficient number, since it is larger than the sum of its proper divisors (161441633).

1126521151 is an equidigital number, since it uses as much as digits as its factorization.

1126521151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63761.

The product of its digits is 600, while the sum is 25.

The square root of 1126521151 is about 33563.6879826994. The cubic root of 1126521151 is about 1040.5104591633.

Adding to 1126521151 its reverse (1511256211), we get a palindrome (2637777362).

The spelling of 1126521151 in words is "one billion, one hundred twenty-six million, five hundred twenty-one thousand, one hundred fifty-one".